[ Upstream commitc48c0fd0e1] It looks like the buffer allocated and mapped in add_card() is done with size RCV_BUFFER_SIZE which is 16 KB and 4KB. Fixes:286468210d("firewire: new driver: nosy - IEEE 1394 traffic sniffer") Co-developed-by: Thomas Fourier <fourier.thomas@gmail.com> Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com> Co-developed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/20251216165420.38355-2-fourier.thomas@gmail.com Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Sasha Levin <sashal@kernel.org>